diff --git a/interfaces/innerkits/BUILD.gn b/interfaces/innerkits/BUILD.gn
index 13e0238baa3220af5fe65f61569e50b894a0e713..3caa62f5c874fba245cf78f83898719010912d6f 100755
--- a/interfaces/innerkits/BUILD.gn
+++ b/interfaces/innerkits/BUILD.gn
@@ -170,6 +170,10 @@ if (defined(ohos_lite)) {
       "_GNU_SOURCE",
       "INIT_FILE",
     ]
+    if (target_cpu == "arm64") {
+      defines += [ "SUPPORT_64BIT" ]
+    }
+
     include_dirs = [
       "./include",
       "//third_party/bounds_checking_function/include",
diff --git a/interfaces/innerkits/modulemgr/modulemgr.c b/interfaces/innerkits/modulemgr/modulemgr.c
index 8697eb541e832eacef528bd7ae10e74a4118b2e6..84e2cfb8e4913f2c12832dbf03fbe27e35b583fe 100755
--- a/interfaces/innerkits/modulemgr/modulemgr.c
+++ b/interfaces/innerkits/modulemgr/modulemgr.c
@@ -27,6 +27,11 @@
 #include "modulemgr.h"
 
 #define MODULE_SUFFIX_D ".z.so"
+#ifdef SUPPORT_64BIT
+#define MODULE_LIB_NAME "lib64"
+#else
+#define MODULE_LIB_NAME "lib"
+#endif
 
 struct tagMODULE_MGR {
     ListNode modules;
@@ -114,7 +119,7 @@ static void *moduleInstall(MODULE_ITEM *module, int argc, const char *argv[])
     if (module->moduleMgr->name[0] == '/') {
         snprintf_s(path, sizeof(path), sizeof(path) - 1, "%s/%s" MODULE_SUFFIX_D, module->moduleMgr->name, module->name);
     } else {
-        snprintf_s(path, sizeof(path), sizeof(path) - 1, "/system/lib/%s/%s" MODULE_SUFFIX_D, module->moduleMgr->name, module->name);
+        snprintf_s(path, sizeof(path), sizeof(path) - 1, "/system/" MODULE_LIB_NAME "/%s/%s" MODULE_SUFFIX_D, module->moduleMgr->name, module->name);
     }
 
     currentInstallArgs = &(module->moduleMgr->installArgs);
@@ -236,7 +241,7 @@ MODULE_MGR *ModuleMgrScan(const char *modulePath)
     if (modulePath[0] == '/') {
         snprintf_s(path, sizeof(path), sizeof(path) - 1, "%s", modulePath);
     } else {
-        snprintf_s(path, sizeof(path), sizeof(path) - 1, "/system/lib/%s", modulePath);
+        snprintf_s(path, sizeof(path), sizeof(path) - 1, "/system/" MODULE_LIB_NAME "/%s", modulePath);
     }
 
     scanModules(moduleMgr, path);
diff --git a/services/BUILD.gn b/services/BUILD.gn
index 16d42030c429f60454de36f369186aff4f562e42..061676d4a1948360144ec5463ed41c038863fe90 100755
--- a/services/BUILD.gn
+++ b/services/BUILD.gn
@@ -237,6 +237,10 @@ if (defined(ohos_lite)) {
       ]
     }
 
+    if (target_cpu == "arm64") {
+      defines += [ "SUPPORT_64BIT" ]
+    }
+
     if (!enable_ramdisk) {
       defines += [ "DISABLE_INIT_TWO_STAGES" ]
     }
diff --git a/test/unittest/BUILD.gn b/test/unittest/BUILD.gn
index e3e7cabbfd2ae9426ba56b507b0a850d0517d706..b8821193f9ebe46d0199e7d9f5756fa6fd71c863 100755
--- a/test/unittest/BUILD.gn
+++ b/test/unittest/BUILD.gn
@@ -212,6 +212,10 @@ ohos_unittest("init_ut") {
   ]
   defines += [ "_GNU_SOURCE" ]
 
+  if (target_cpu == "arm64") {
+    defines += [ "SUPPORT_64BIT" ]
+  }
+
   external_deps = [
     "hiviewdfx_hilog_native:libhilog",
     "init:libinit_module_engine",